It takes a competitive drive to put your engine-building ability to the test at the AMSOIL Engine Masters Challenge. Here, some of the country's top engine builders take their best shot at building ...

Hot intake air temps are bad, and cold IATs are good, right? But how bad is bad, and how good is good, especially in a boosted application? To find out, the guys explore the benefits of an air-to-air ...

Does fuel really matter for your engine? Watch as the Engine Masters team takes a scientific look at just how much power and performance are produced by different types of gasoline. Video created by ...